Civil Defense-MIMAROPA

FOR WIDEST DISSEMINATION
040626-14 Weather Advisory No. 21 for Southwest Monsoon
>Issued: 4June26, 5:00 AM
>Heavy rainfall outlook due to Southwest Monsoon:
>Today
>>(50 – 100 mm) - Ilocos Norte, Ilocos Sur, La Union, Pangasinan, Zambales, Bataan, Tarlac, and Pampanga
>>Potential Impacts: Localized flooding is possible mainly in areas that are urbanized, low lying, or near rivers. Landslide possible in highly susceptible areas.
>Tomorrow
>>(50 – 100mm) - Batanes, Ilocos Norte, Ilocos Sur, La Union, Pangasinan, Abra, Benguet, Zambales, and Bataan
>>Potential Impacts: Localized flooding is possible mainly in areas that are urbanized, low lying, or near rivers. Landslide possible in highly susceptible areas.
>Saturday (June 6)
>>(50 – 100mm) - Illocos Norte, Ilocos Sur, and La Union
>>Potential Impacts: Localized flooding is possible mainly in areas that are urbanized, low lying, or near rivers. Landslide possible in highly susceptible areas.
>Forecast rainfall may be higher in mountainous and elevated areas. Moreover, impacts in some areas may be worsened by significant antecedent rainfall.
>Monitor the weather and take precautionary measures.
>For more information, visit the DOST PAGASA website.

FOR WIDEST DISSEMINATION
030626-39 24-HOUR PUBLIC WEATHER FORECAST AT 4AM
>Issued: 04 June 2026, 4:00 AM
>Synopsis: Southwest Monsoon affecting Northern Luzon, Central Luzon, and the western section of Southern Luzon.
>Forecast Weather Conditions:
>>Ilocos Region, Zambales, Bataan, Tarlac, and Pampanga will experience occasional rains caused by Southwest Monsoon. Possible flash floods or landslides due to moderate to heavy rains
>>Metro Manila, Cagayan Valley, Cordillera Administrative Region, CALABARZON, MIMAROPA, and the rest of Central Luzon will experience cloudy skies with scattered rains and thunderstorms caused by Southwest Monsoon. Possible flash floods or landslides due to moderate to at times heavy rainsheavy rains.
>>The rest of the country will experience partly cloudy to cloudy skies with isolated rainshowers or thunderstorms caused by Localized Thunderstorm. Possible flash floods or landslides during severe thunderstorms
>Forecast Wind and Coastal Water Conditions:
>>Moderate to strong winds from southwest will prevail over Northern Luzon, Central Luzon, and the western section of Southern Luzon. Coastal waters will be moderate to rough (1.2 to 3.1 meters).
>>Light to moderate winds from south to southwest will prevail over the rest of the country. Coastal waters will be slight to moderate / (0.6 to 1.5 meters)
>Monitor the weather and take precautionary measures.
>For more information, visit the DOST-PAGASA website.

Thunderstorm Advisory No. 1
Issued at 04:05 AM, 04 June 2026

Moderate to heavy rainshowers with lightning and strong winds are expected over (Ferrol, Odiongan, San Andres, Calatrava, San Agustin, Santa Maria, Alcantara, Santa Fe, Looc, San Jose) within the next 1 to 2 hours.

The above conditions are being experienced in (Bulalacao, Mansalay) which may persist within 1 to 2 hours and may affect nearby areas.

All are advised to take precautionary measures against the impacts associated with these hazards which include flash floods and landslides.

Keep monitoring for updates.

Thunderstorm Advisory No. 2
Issued at 12:32 AM 04 June 2026

Moderate to Heavy rainshowers with lightning and strong winds are expected over (Santander), (PuertoPrincesaCity, Roxas, Dumaran), (DumagueteCity, Sibulan, Bacong and Dauin) within the next 30 minutes to an hour.

The above conditions are being experienced in (Oslob), (Cuyo, Magsaysay), (AniniY, TobiasFornier) and (SanJoaquin) which may persist within 1 to 2 hours and may affect nearby areas.

All are advised to take precautionary measures against the impacts associated with these hazards which include flash floods and landslides. Keep monitoring for updates.

Weather Advisory No. 20
For: Southwest Monsoon
Issued at: 11:00 PM, June 3, 2026.

Heavy rainfall outlook due to Southwest Monsoon

Tonight to tomorrow evening (June 4)
(50-100 mm):
Pangasinan, Zambales, Bataan, Tarlac, and Pampanga

Tomorrow evening to Friday evening (June 5)
(50-100 mm):
Batanes, Ilocos Norte, Ilocos Sur, La Union, Pangasinan, Abra, Benguet, Zambales, Bataan, and Tarlac

Friday evening to Saturday evening (June 6)
(50-100 mm):
Ilocos Norte, Ilocos Sur, La Union, Pangasinan, Abra, Benguet, Zambales, and Bataan

Forecast rainfall may be higher in mountainous and elevated areas. Moreover, impacts in some areas may be worsened by significant antecedent rainfall.

Source: Dost-PAGASA

Thunderstorm Advisory No. 25
Issued at 10:59 PM 03 June 2026

Moderate to Heavy rainshowers with lightning and strong winds are expected over (ElNido, Taytay, Aborlan, Narra, Quezon, SanVicente and Dumaran) within the next 30 minutes to an hour.

The above conditions are being experienced in (PuertoPrincesaCity, Culion, Linapacan and Roxas) which may persist within 1 to 2 hours and may affect nearby areas.

All are advised to take precautionary measures against the impacts associated with these hazards which include flash floods and landslides. Keep monitoring for updates.

FOR WIDEST DISSEMINATION
030626-56 Weather Advisory No. 20 for Southwest Monsoon
>Issued: 03 June 2026, 11:00 PM
>Heavy rainfall outlook due to Southwest Monsoon:
>Tonight to tomorrow evening (June 4)
>>(50 – 100 mm) - Pangasinan, Zambales, Bataan, Tarlac, and Pampanga
>>Potential Impacts: Localized flooding is possible mainly in areas that are urbanized, low lying, or near rivers. Landslide possible in highly susceptible areas.
>Tomorrow evening to Friday evening (June 5)
>>(50 – 100mm) - Batanes, Ilocos Norte, Ilocos Sur, La Union, Pangasinan, Abra, Benguet, Zambales, Bataan, and Tarlac
>>Potential Impacts: Localized flooding is possible mainly in areas that are urbanized, low lying, or near rivers. Landslide possible in highly susceptible areas.
>Friday evening to Satuday evening (June 6)
>>(50 – 100mm) - locos Norte, Ilocos Sur,La Union, Pangasinan, Abra, Benguet, Zambales,and Bataan
>>Potential Impacts: Localized flooding is possible mainly in areas that are urbanized, low lying, or near rivers. Landslide possible in highly susceptible areas.
>Forecast rainfall may be higher in mountainous and elevated areas. Moreover, impacts in some areas may be worsened by significant antecedent rainfall.
>Monitor the weather and take precautionary measures.
>For more information, visit the DOST PAGASA website.

Thunderstorm Advisory No. 23
Issued at 08:06 PM 03 June 2026

Moderate to Heavy rainshowers with lightning and strong winds are expected over , , (Linapacan, ElNido and Taytay) within the next 30 minutes to an hour.

The above conditions are being experienced in (Banate, BarotacViejo, SanEnrique, SanRafael), (Nabas, Malay, Buruanga), (Libertad and Pandan) which may persist within 1 to 2 hours and may affect nearby areas.

All are advised to take precautionary measures against the impacts associated with these hazards which include flash floods and landslides. Keep monitoring for updates.

FOR WIDEST DISSEMINATION
030626-40 Weather Advisory No. 19 for Southwest Monsoon
>Issued: 03 June 2026, 5:00 PM
>Heavy rainfall outlook due to Southwest Monsoon:
>Today to tomorrow afternoon (June 4)
>>(50 – 100 mm) - Pangasinan, Zambales, Tarlac, Pampanga and Bataan
>>Potential Impacts: Localized flooding is possible mainly in areas that are urbanized, low lying, or near rivers. Landslide possible in highly susceptible areas.
>Tomorrow afternoon to Friday afternoon (June 5)
>>(50 – 100mm) - Batanes, Ilocos Norte, Ilocos Sur, La Union, Pangasinan, Abra, Benguet, Zambales, Bataan, and Tarlac
>>Potential Impacts: Localized flooding is possible mainly in areas that are urbanized, low lying, or near rivers. Landslide possible in highly susceptible areas.
>Friday afternoon to Satuday afternoon (June 6)
>>(50 – 100mm) - Illocos Norte, Ilocos Sur, La Union, Pangasinan, Abra, Benguet, Zambales and Bataan.
>>Potential Impacts: Localized flooding is possible mainly in areas that are urbanized, low lying, or near rivers. Landslide possible in highly susceptible areas.
>Forecast rainfall may be higher in mountainous and elevated areas. Moreover, impacts in some areas may be worsened by significant antecedent rainfall.
>Monitor the weather and take precautionary measures.
>For more information, visit the DOST PAGASA website.

Thunderstorm Advisory No. 16
Issued at 03:57 PM 03 June 2026

Moderate to Heavy rainshowers with lightning and strong winds are expected over (CityOfEscalante, Toboso, Calatrava, CityOfTalisay, BacolodCity, Murcia, BagoCity, CityOfSipalay), (Miagao, Bingawan, SanRafael, CityOfPassi, SanEnrique, BarotacViejo) and (Tapaz) within the next 30 minutes to an hour.

The above conditions are being experienced in (SilayCity, EnriqueB.Magalona, CityOfVictorias, Manapla, CadizCity, SagayCity, SalvadorBenedicto, SanCarlosCity, Cauayan), (SanJoaquin), (Libacao, Balete, Batan, NewWashington, Altavas), (Jamindan, Dumalag, Dumarao, Cuartero, MaAyon, Pontevedra, Panay, RoxasCity, Panitan, Ivisan, Sigma, Dao, SapiAn, Mambusao), (PuertoPrincesaCity and Kalayaan) which may persist within 1 to 2 hours and may affect nearby areas.

All are advised to take precautionary measures against the impacts associated with these hazards which include flash floods and landslides. Keep monitoring for updates.